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Alibaba Exam ACA-Operator Topic 6 Question 55 Discussion

Actual exam question for Alibaba's ACA-Operator exam
Question #: 55
Topic #: 6
[All ACA-Operator Questions]

After you enable health checks of Server Load Balancer (SLB), when one backend ECS instance is declared as unhealthy, which of the following statements is correct?

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Suggested Answer: A, C, D

by Eladia at Mar 16, 2024, 02:09 PM

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Merissa
4 months ago
Hah, imagine if the system just shut down the unhealthy instance without warning! Talk about a dramatic solution. I'll take B - nice and balanced.
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Brianne
2 months ago
User 3: Definitely, balancing the requests makes more sense.
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Chantell
3 months ago
User 2: I agree, option B seems like a more reasonable approach.
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Amira
3 months ago
User 1: Yeah, that would be quite the surprise!
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Yuki
4 months ago
D has to be the correct answer. A 500 error indicates a server-side issue, which is exactly what I'd expect when an instance is unhealthy.
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Omer
4 months ago
I agree with you, D seems to be the most logical choice. A 500 error makes sense for a server-side issue.
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Theodora
4 months ago
I think B is the correct answer. SLB will forward requests to other normal instances until the faulty one becomes healthy again.
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Laurel
4 months ago
I'm going with C. If an instance is unhealthy, it shouldn't be receiving any traffic at all - a 400 error is the logical response.
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Nina
4 months ago
Option B seems the most reasonable. Forwarding requests to other healthy instances while monitoring the unhealthy one for recovery makes the most sense.
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Lon
3 months ago
Exactly, it's all about maintaining the availability and reliability of the application.
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Freeman
3 months ago
That way there is minimal disruption to the service.
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Evangelina
4 months ago
Yes, it's important to ensure that requests are still being handled while the unhealthy instance is being monitored.
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Shawana
4 months ago
I agree, option B does seem like the most logical choice.
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Dahlia
4 months ago
I'm not sure. I think it might be C. Requests are not forwarded and you get a 400 error.
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Alex
4 months ago
I agree with Werner. SLB forwards requests to other normal ECS instances until the faulty one becomes normal again.
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Werner
5 months ago
I think the answer is B.
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